Truedio Model TD-210RF Wireless TV Headset System - Includes 1 Wireless Headset - (BLACK) Purchase Includes: 1 Wireless Headset, 1 Transmitter/Charging Base, 1 Power Adapter, 1 Digtal Optical Cable, 1 Analog Cable, 1 Analog to 3.5mm adapter, 2 Pairs of Eartips, 1 Pair of Comfort Earhooks, 1 Balance Control Screwdriver Transmits real time television audio directly to your wireless headset! Others in room can change TV speaker volume independently from headset. Premium sound quality. Headset range up to 150 feet and transmits through walls, rooms and cabinets. Up to 12 hours of use per charge! Convenient volume, tone and balance controls. 1 year manufacturer warranty The Truedio transmitter plugs directly into the back of your TV, satellite/cable box, or other audio source equipped with a digital optical (toslink) or analog audio output (Left &amp; Right RCA or 3.5mm Headphone Jack) The RF (Radio Frequency) transmission delivers unparalleled sound quality through walls, ceilings and outdoors at over a 100ft range without interference<br> <br> Up to 12-Hours of use per Charge Quick 3-Hour Charge Time Replaceable Li-ion Battery (3.7V/350mAh) Adjustable Volume, Tone &amp; Balance Controls &#034;MIC&#034; Button switches the headset from TV Listening mode to Personal Amplification mode LINE-IN (3.5mm Headphone Input) for playing music Soft Silicone Eartips and comfort earhooks TD-210 - 1 Headset TD-220 - 2 Headsets